Ruling · Māghī Pūrṇimā · 1907

Tuesday 29 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 422 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Monday 28 January

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

0 of 48 minutes covered

Midday of Tuesday 29 January

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

48 of 48 minutes covered

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 19:57 on Mon 28 Jan to 21:45 on Tue 29 Jan.

    1907-01-28T11:57:29Z → 1907-01-29T13:44:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 28th, 12:07–12:55 on the 29th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 25334 s

  5. 05

    Ruling

    Māghī Pūrṇimā, Baoding, 1907: Tuesday 29 January.

    confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1907 falls on Tuesday 29 January. Pūrṇimā runs from 19:57 on Mon 28 Jan to 21:45 on Tue 29 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1907/maghi-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 29 Jan
Ahargaṇa, classicalDisc centre, no refractionTue 29 Jan
compat-drikpanchangComparison profileTue 29 Jan
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/maghi-purnima · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 105

“S 15 Maghi purnima (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles03:57 → 05:4511:4248 min11:420 min28 Jan
Chicago05:57 → 07:4511:4048 min11:400 min28 Jan
Jersey City06:57 → 08:4511:4648 min11:460 min28 Jan
Port of Spain07:57 → 09:4511:5548 min11:550 min28 Jan
London11:57 → 13:4511:5040 min11:5048 min29 Jan
Durban13:57 → 15:4511:450 min11:4548 min29 Jan
Dubai15:38 → 17:2611:490 min11:4948 min29 Jan
Delhi17:27 → 19:1512:100 min12:1048 min29 Jan
Kolkata17:27 → 19:1511:260 min11:2648 min29 Jan
Singapore18:57 → 20:4511:540 min11:5448 min29 Jan
Sydney21:57 → 23:4511:440 min11:4448 min29 Jan
Suva23:52 → 01:4011:500 min11:5048 min29 Jan
Profile · tradition
pac-rp@2026.1 · smarta
Rule
maghi-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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